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MDL-49817 grunt: Refactor the uglify task

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This is in preperation for the watch task and doing a few things:

1) Switch away from 'grunt.file.expandMapping' to the declarative syntax
   for doing the same thing, as recommended in docs:
   http://gruntjs.com/api/grunt.file#grunt.file.expandmapping

2) Factor the renaming function into shared function so it can be used
   from the watch task too.

3) Shared the file glob'ing pattern for match AMD js files between
   jshint and uglify task (this removes the node_modules exception..
   we should add it to both if we need it).

4) Rename the task configuration - I am just doing this because it looks
   like 'dynamic_mappings' is some how magic config option when you
   look at the manual:
   http://gruntjs.com/configuring-tasks#building-the-files-object-dynamically

   But in fact, it's just a task confguration name.
This commit is contained in:
Dan Poltawski 2016-01-14 12:10:02 +00:00
parent dbf6b40782
commit 5cc5f31101
1 changed files with 27 additions and 17 deletions
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44
Gruntfile.js
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@ -29,29 +29,39 @@ module.exports = function(grunt) {
cwd = process.env.PWD || process.cwd(),
inAMD = path.basename(cwd) == 'amd';
// Globbing pattern for matching all AMD JS source files.
var amdSrc = [inAMD ? cwd + '/src/*.js' : '**/amd/src/*.js'];
/**
* Function to generate the destination for the uglify task
* (e.g. build/file.min.js). This function will be passed to
* the rename property of files array when building dynamically:
* http://gruntjs.com/configuring-tasks#building-the-files-object-dynamically
*
* @param {String} destPath the current destination
* @param {String} srcPath the matched src path
* @return {String} The rewritten destination path.
*/
var uglify_rename = function (destPath, srcPath) {
destPath = srcPath.replace('src', 'build');
destPath = destPath.replace('.js', '.min.js');
destPath = path.resolve(cwd, destPath);
return destPath;
};
// Project configuration.
grunt.initConfig({
jshint: {
options: {jshintrc: '.jshintrc'},
amd: {
src: [inAMD ? cwd + '/src/*.js' : '**/amd/src/*.js']
}
amd: { src: amdSrc }
},
uglify: {
dynamic_mappings: {
files: grunt.file.expandMapping(
['**/src/*.js', '!**/node_modules/**'],
'',
{
cwd: cwd,
rename: function(destBase, destPath) {
destPath = destPath.replace('src', 'build');
destPath = destPath.replace('.js', '.min.js');
destPath = path.resolve(cwd, destPath);
return destPath;
}
}
)
amd: {
files: [{
expand: true,
src: amdSrc,
rename: uglify_rename
}]
}
},
less: {